Per b-1 engineering
A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.
Classification: Spherical roller bearings, single row
NSN 5950-01-224-1806
NSN 5915-01-400-6125
NSN 6610-01-415-0061
NSN 5920-00-829-3634
NSN 5965-01-186-2051
NSN 6610-01-170-2905
NSN 6130-00-456-0206
NSN 4140-00-679-8630
NSN 5960-01-314-1822
NSN 6650-00-913-8405
NSN 6110-01-190-8487
NSN 5996-00-617-1676